Evaluating Expressions
Evaluate 2x+5 when x=-3
3-4×2
Answer using the order of operations (PEMDAS).
-5
|xyz - z| when x = -1, y = 2 and z = 3
9
6 more than twice m
2m+6
Evaluate 4x+7y2 when x=3 and y=2
40
(6-9)×3
Answer using the order of operations (PEMDAS).
-9
|5y + 2xy| when x = -4 and y = 3
9
15 less than the difference of k and 4
(k-4)-15
Evaluate -3x2+5x+1 when x=-1
-7
8-(-5−2)×4
Answer using the order of operations (PEMDAS).
36
6y – |w + 5z| when w = –5, y = 2, and z = –4
-13
Juliana wants to join a gym. The cost of a gym membership is a one-time $100 fee plus $30 per month. Write an expression that describes the cost of a gym membership after m month.
100+30m
Evaluate 4x-2(x-xy) when x=5 and y=2
30
(-5+3)2-1x4
Answer using the order of operations (PEMDAS).
0
|-6 – z| – 2x w = –5 and z = –4
12
2m+4=4+2m
symmetric property
Evaluate 4(x+x6-y) when x=-1, y=4
0
(15 − 3 - (-4))3
Answer using the order of operations (PEMDAS).
4096
|5z – 2x| + 8w when w = –5, x = 8, y = 2, and z = –4
-4
if a square is a rectangle, and a rectangle is a quadrilateral, then a square is a quadrilateral
transitive property